Multi-function Waterproof 18650 Battery Case for Bike Light Bicycle Lamp Power Bank Box for Phones with DC USB Dual Ports

Description

Input Voltage: 8.4V Output Voltage: 8.4V Overcharge protection voltage: 8.4V Over discharge protection voltage: 5V Discharge protection current: 9A Standby current: Under 10μA USB Output Voltage: 5V+/-0.2 USB Max Output: 2000mA DC Size: 5.5mm*2.1mm Size: 45x45x100mm Net weight: 130g Battery Included: No Structure: two batteries in parallel and two batteries in series Compatibility: 2 or 4 pieces 18650 li-ion batteries in any capacity Water-proof Note: Please put in battery in a right way. Charge it when power indicator light flashes. Don't use the device in the water. Waterproof standard is IPX4.